lkml.org 
[lkml]   [2014]   [Aug]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v5 3/3] arm64: Add seccomp support
From
On Fri, Jul 25, 2014 at 2:37 AM, AKASHI Takahiro
<takahiro.akashi@linaro.org> wrote:
> I found a bug in my current patch (v5). When 32-bit tracer skips a system call,
> we should not update syscallno from x8 since syscallno is re-written directly
> via ptrace(PTRACE_SET_SYSCALL).

Ah, yes. Will aarch64 have a PTRACE_SET_SYSCALL option, or is this
strictly a 32-bit vs 64-bit issue?

> I'm sure that my next version should work with 32/64-bit tracers on 64-bit
> kernel.

Do you have a git tree uploaded anywhere? I'd love to follow this more
closely. When do you expect a v6?

Thanks!

-Kees

--
Kees Cook
Chrome OS Security


\
 
 \ /
  Last update: 2014-08-05 17:41    [W:0.178 / U:0.464 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site